Home / 15,790.11-23,680.23-5,257.67

Finding the Fourth Proportional to 15,790.11, 23,680.23 and 5,257.67

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Solution

The fourth proportional to 15,790.11, 23,680.23 and 5,257.67 is: 7,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.11 : 23,680.23 = 5,257.67 : x
  2. Step 2: Convert to fraction form
    15,790.11/23,680.23 = 5,257.67/x
  3. Step 3: Cross multiply
    15,790.11x = 23,680.23 × 5,257.67
  4. Step 4: Simplify right side
    15,790.11x = 124,502,834.86
  5. Step 5: Solve for x
    x = 124,502,834.86/15,790.11
  6. Step 6: Final answer
    x = 7,884.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.